CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

A vulnerability was found in Sophos Anti-Virus up to 5.0 (Anti-Malware Software). It has been classified as critical. This affects the function archive::zip of the component Virus Protection. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Archive::Zip Perl module before 1.14, when used by antivirus programs such as amavisd-new, allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

The weakness was published 01/10/2005 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. This vulnerability is uniquely identified as CVE-2004-1096 since 11/30/2004. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 15587 (GLSA-200410-31 : Archive::Zip: Virus detection evasion), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 1.14 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (17761) and Tenable (15587). Similar entries are available at 927, 928, 913 and 915.

Productinfo

Type

• Anti-Malware Software

Vendor

• Sophos

Name

• Anti-Virus

Version

• 3.0
• 3.4.6
• 3.78
• 3.78d
• 3.79
• 3.80
• 3.81
• 3.82
• 3.83
• 3.84
• 3.85
• 3.86
• 4.0
• 5.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 15587
Nessus Name: GLSA-200410-31 : Archive::Zip: Virus detection evasion
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 52313
OpenVAS Name: FreeBSD Ports: p5-Archive-Zip
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Anti-Virus 1.14
SourceFire IPS: 🔍

Timelineinfo

10/18/2004 🔍
10/18/2004 +0 days 🔍
11/01/2004 +14 days 🔍
11/01/2004 +0 days 🔍
11/30/2004 +29 days 🔍
01/10/2005 +41 days 🔍
01/10/2005 +0 days 🔍
07/14/2009 +1646 days 🔍
03/10/2015 +2065 days 🔍
07/01/2021 +2305 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2004-1096 (🔍)
X-Force: 17761
Vulnerability Center: 22847 - Archive::Zip Perl Module < 1.14 Remote Antivirus Protection Bypass Vulnerability, Medium
SecurityFocus: 11448 - Multiple Vendor Antivirus Software Zip Files Detection Evasion Vulnerability
Secunia: 13038 - Archive::Zip Zip Archive Virus Detection Bypass Vulnerability, Moderately Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/10/2015 12:14
Updated: 07/01/2021 09:00
Changes: 03/10/2015 12:14 (66), 02/11/2017 10:36 (14), 07/01/2021 09:00 (3)
Complete: 🔍

Discussion

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